spacered dimericacridinecompounds was prepared. Their ability to interrupt the protein association of prion‐ and Alzheimer‐specific proteins and Ab peptides was explored using a fast screening system based on FACS analysis. The bis‐acridines displayed a higher activity than the corresponding monomers. Among these derivatives, best results were obtained with the 2,4‐dimethoxy‐6‐nitro compound 7h for
Series of 9-amino and 9-thioacridines have been synthesized and studied as inhibitors of trypanothione reductase (TR) from Trypanosoma cruzi, the causative agent; of Chagas' disease. The compounds are structural analogues of the acridine drug mepacrine (quinacrine), which is a competitive inhibitor of the parasite enzyme, but not of human glutathione reductase, the closest related host enzyme. The 9-aminoacridines yielded apparent K-i values for competitive inhibition between 5 and 43 mu M. The most effective inhibitors were those with the methoxy and chlorine substituents of mepacrine and NH2 or NHCH(CH3)(CH2)(4)N(Et)(2) at C9. Detailed kinetic analyses revealed that in the case of 9-aminoacridines more than one inhibitor molecule can bind to the enzyme. In contrast, the 9-thioacridine derivatives inhibit TR with mixed-type kinetics. The kinetic data are discussed in light of the three-dimensional structure of the TR-mepacrine complex. The conclusion that structurally very similar acridine compounds can give rise to completely different inhibition patterns renders modelling studies and quantitative structure-activity relationships difficult.
Tschernzow; Drosdow, Zhurnal Obshchei Khimii, 1939, vol. 9, p. 1435,1439
作者:Tschernzow、Drosdow
DOI:——
日期:——
Kuroda, Yakugaku Zasshi/Journal of the Pharmaceutical Society of Japan, 1944, vol. 64, # 1, p. 59,62
作者:Kuroda
DOI:——
日期:——
NOVEL MODULATORS OF NRF2 AND USES THEREOF
申请人:Batist Gerald
公开号:US20130137694A1
公开(公告)日:2013-05-30
There is provided modulators of Nrf2 protein which comprises a compound which binds at least one of the BTB domain, IVR domain and Kelch domain of Keap1 protein, activating or inhibiting Nrf2. There is also provided pharmaceutical compositions containing the modulators, as well as uses and method of use of the modulators for the treatment of conditions.